 #game {
 display: none;
 position: absolute;
 left: 0px;
 top: 0px;
 right: 0px;
 bottom: 0px;
 background-color: #9DA5C3;
 opacity: 0.5;
 z-index: 1;
 }
 .clear:after {
 content: "";
 display: table;
 clear: both;
 }
 .left {
 float: left;
 }
 .right {
 float: right;
 }
 .scoreShow {
 height: 50px;
 text-align: center;
 line-height: 50px;
 }
 .model {
 text-decoration: none;
 color: white;
 background-color: #bbada0;
 font-size: 36px;
 border-radius: 10px;
 }
 .head {
 width: 480px;
 height: 50px;
 margin: 0 auto;
 font-size: 25px;
 }
 #gridPanel {
 width: 480px;
 height: 480px;
 margin: 0 auto;
 background-color: #bbada0;
 border-radius: 10px;
 position: relative;
 z-index: 1;
 }
 .grid,
 .cell {
 width: 100px;
 height: 100px;
 border-radius: 6px;
 }
 .grid {
 background-color: #ccc0b3;
 float: left;
 margin: 16px 0 0 16px;
 }
 .cell {
 position: absolute;
 font-size: 60px;
 text-align: center;
 line-height: 100px;
 color: #fff;
 }
 .n2 {
 background-color: #eee3da
 }
 .n4 {
 background-color: #ede0c8
 }
 .n8 {
 background-color: #f2b179
 }
 .n16 {
 background-color: #f59563
 }
 .n32 {
 background-color: #f67c5f
 }
 .n64 {
 background-color: #f65e3b
 }
 .n128 {
 background-color: #edcf72
 }
 .n256 {
 background-color: #edcc61
 }
 .n512 {
 background-color: #9c0
 }
 .n1024 {
 background-color: #33b5e5
 }
 .n2048 {
 background-color: #09c
 }
 .n4096 {
 background-color: #a6c
 }
 .n8192 {
 background-color: #93c
 }
 .n2,
 .n4 {
 color: #776e65
 }
 #gameover {
 width: 100%;
 display: none;
 position: fixed;
 left: 50%;
 right: 50%;
 top: 148px;
 width: 220px;
 height: 200px;
 border-radius: 10px;
 background-color: white;
 margin-left: -110px;
 text-align: center;
 z-index: 5;
 }
 #gameover>a {
 display: inline-block;
 width: 170px;
 height: 50px;
 border-radius: 10px;
 text-decoration: none;
 background-color: #9F8D77;
 color: white;
 font-size: 36px;
 }